Home / 20,349.65-30,525.28-6,311.13

Finding the Fourth Proportional to 20,349.65, 30,525.28 and 6,311.13

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Solution

The fourth proportional to 20,349.65, 30,525.28 and 6,311.13 is: 9,466.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,349.65 : 30,525.28 = 6,311.13 : x
  2. Step 2: Convert to fraction form
    20,349.65/30,525.28 = 6,311.13/x
  3. Step 3: Cross multiply
    20,349.65x = 30,525.28 × 6,311.13
  4. Step 4: Simplify right side
    20,349.65x = 192,649,010.37
  5. Step 5: Solve for x
    x = 192,649,010.37/20,349.65
  6. Step 6: Final answer
    x = 9,466.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.